diff --git a/package.json b/package.json
index 0f2a874..39d2909 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ifrau",
-  "version": "0.21.2",
+  "version": "0.21.3",
   "description": "Free-range app utility for IFRAME-based FRAs",
   "main": "src/index.js",
   "scripts": {
diff --git a/src/promise-or-lie.js b/src/promise-or-lie.js
index b44d7a0..7ec17e5 100644
--- a/src/promise-or-lie.js
+++ b/src/promise-or-lie.js
@@ -1,5 +1,5 @@
 'use strict';
 
-module.exports = typeof Promise === undefined
+module.exports = typeof Promise === 'undefined'
 	? require('lie')
 	: global.Promise;